Micromax A092, Servise Manual

Page 1: ...A092 L2 Service Manual ...

Page 2: ...y 4GB 512MB Nand sdram RAM System Android 4 3 Frequency band Dual SIM WCDMA 900 2100MHz GSM 900 1800 MHZ Battery 1500mAh Charger Travel charger USB cable MICRO 5PIN Earphone 3 5jack LCD TP 4 0WVGA resolution 800 480 Capacitance TP Camera 5 0M 0 3M FF CMOS Support FM GPS BT4 0 WIFI Support Distance sensor light feeling sensor ...

Page 3: ...A092 L2 Service Manual 1 Tools list I Tweezer Cross II Screw driver III Solder IV Tommy bar V Hot gun ...

Page 4: ...A092 L2 Service Manual 2 Battery caver disassembly Open the battery cover as the Fig 1 ...

Page 5: ...A092 L2 Service Manual 3 Back caver disassembly Unscrew 7 screws in back cover as the Fig 2 ...

Page 6: ...A092 L2 Service Manual 4 Disassemble back cover with Tommy bar as the Fig 3 ...

Page 7: ...A092 L2 Service Manual 5 Main board and front cover disassembly The main components of distribution as the fig 4 ...

Page 8: ...A092 L2 Service Manual 6 Remove four screws and open the LCD con TP con Speaker Vibrator as the fig 5 ...

Page 9: ...A092 L2 Service Manual 7 Take out the main board as the FIG 6 ...

Page 10: ...A092 L2 Service Manual 8 Remove the Back Camera and Front camera as the FIG 7 ...

Page 11: ...A092 L2 Service Manual 9 Receiver and Light sensor rubber sleeve disassembly as the fig 8 ...

Page 12: ...A092 L2 Service Manual 10 Exploded view ...

Page 13: ...W is correct otherwise to upgrade the SW Check the LCD if is ok otherwise change a new LCD If that the LCD loose re assemble the LCD and test Checking the LCD connector if is ok otherwise re solder it or change a new one Checking the circuit around the LCD connector ...

Page 14: ...emble ok re assemble the camera and test Using the good camera to do cross test it can check if the camera is ok Checking the camera connector if is ok as below picture otherwise to re solder or change a new one Checking the circuit around the camera connector ...

Page 15: ...h Pannel Checking the SW and upgrade the SW Checking the FPC of TP and re assemble it Using the good TP to do cross test Checking the TP connector otherwise re solder or change a new one Checking the circuit around the TP connector ...

Page 16: ...vice Manual 4 Ringer Checking the shrapnel of speaker if is ok Checking the resistance of speaker if is ok otherwise to change a new one Checking the FPC if is ok Checking SPK FPC if connector with sub board is ok ...

Page 17: ...er Checking the shrapnel of receiver if is ok Checking the resistance of receiver if is ok otherwise to change a new one Checking the connector point on the main board if is ok as below picture Checking the receiver circuit if is ok ...

Page 18: ...A092 L2 Service Manual 6 MIC and Vibrator Checking the MIC and Vibrator is cold soldering re solder it Change the MIC and Vibrator Checking the circuit of MIC and Vibrator Checking the FPC if connect ok ...

Page 19: ...2 L2 Service Manual 7 Earphone Checking the shrapnel of earphone if is ok Checking the connector point on the main board if is ok as below picture Change earphone connector Checking the circuit of earphone ...

Page 20: ...A092 L2 Service Manual 8 No Power On Dead Checking the voltage of battery if is 3 8 4 2V and connect ok Upgrade the SW Checking the power on key and circuit around it ...

Page 21: ...A092 L2 Service Manual 9 No Charging Checking the voltage of battery if is over 3 4V Checking the charger and USB cable if is ok Checking the USB connector and circuit if is ok ...

Page 22: ...vice Manual 10 No SIM card and No memory card Checking the connector of T card and SIM card Change the connector of T card and SIM card Thanks For any query or suggestion please write to tech help micromaxinfo com ...